Lymphocyte count and platelet volume predicts postoperative complications in esophagectomy for cancer: a cohort study - Tustumi, Francisco; Takeda, Flávio Roberto; Brandão, Antonio Adolfo Guerra Soares; Sallum, Rubens Antonio Aissar; Ribeiro Junior, Ulysses; Cecconello, Ivan (Arquivos de gastroenterologia, 2019)